"Pittsburghese"
Pittsburgh Local Custom Tip by Pounder73

Pittsburgh is a fairly, (how can I say this?)... isolated. And with anything else on this world, once something is isolated, it tends to evolve independently of the rest of the world. Evolution, if you will. Language is no different. It took me several years for me to loose my accent, (it sounds pretty bad), now I just get mistaken for mumbling too much. - I can't win.

This is an actual dialect that has had many studies on it. When you hear someone speak it, it is very... umm... unmistakable.

To do it properly, you need to talk without moving your mouth and put a "whine" sound to your voice, and talk fast. Here are examples of words found or pronounced in "Da Burgh"